摘要:
A method for manufacturing a lithium ion capacitor, and a lithium ion capacitor manufactured using the method are provided. The method for manufacturing a lithium ion capacitor includes: disposing a lithium metal on a capacitor cell including a cathode, a separation film, and an anode; impregnating the capacitor cell with electrolyte including a lithium salt; changing the cathode and the anode to allow lithium ions within the electrolyte to be occluded into the anode; performing a primary reaction in which the cathode and the lithium metal are short-circuited to emit anions from the cathode and lithium ions from the lithium metal and a secondary reaction that the lithium ions emitted from the lithium metal are occluded into the cathode; and recharging the cathode and the anode to allow the lithium ions, which have been occluded into the cathode and the lithium ions within the electrolyte, to be occluded into the anode.
摘要:
Disclosed herein are a lithium plate, a method for lithiation of an electrode, and an energy storage device. According to an exemplary embodiment of the present invention, there is provided a lithium plate used for lithium pre-doping of an electrode for an energy storage device, including: a contact area contacting the electrode at the time of the pre-doping; and a plurality of through holes or a plurality of grooves regularly distributed to be adjacent to the contact area so that an electrolytic solution gains easy access to the vicinity of a contact boundary of the contact area and the electrode at the time of the pre-doping. In addition, a method for lithiation of an electrode for an energy storage device using the above-mentioned lithium plate and an energy storage device including a negative electrode (anode) lithiated according to the method have been proposed.
摘要:
The present invention provides a pre-doping system of an electrode and a system using the same. The pre-doping system includes: a doping means for performing a doping process where lithium ions are doped into an electrode; a measuring means for performing a measuring process where an open-circuit potential of the electrode is measured; a switch unit for selectively performing any one of the doping process and the measuring process; a controller for controlling the doping means, the measuring means, and the switch unit and acquiring the open-circuit potential of the electrode measured by the measuring means.
摘要:
A method for manufacturing a lithium ion capacitor, and a lithium ion capacitor manufactured using the method are provided. The method for manufacturing a lithium ion capacitor includes: disposing a lithium metal on a capacitor cell including a cathode, a separation film, and an anode; impregnating the capacitor cell with electrolyte including a lithium salt; changing the cathode and the anode to allow lithium ions within the electrolyte to be occluded into the anode; performing a primary reaction in which the cathode and the lithium metal are short-circuited to emit anions from the cathode and lithium ions from the lithium metal and a secondary reaction that the lithium ions emitted from the lithium metal are occluded into the cathode; and recharging the cathode and the anode to allow the lithium ions, which have been occluded into the cathode and the lithium ions within the electrolyte, to be occluded into the anode.
摘要:
Disclosed herein are a binder composition for manufacturing an electrode of an energy storage device and a method for manufacturing an electrode of an energy storage device. The binder composition includes galactomannan as a major component and may exhibit sufficient binding force with a considerably small amount, as compared to binders in the related art. When the binder composition disclosed herein is used to manufacture an energy storage device having the same weight as that manufactured using the binder in the related art, the energy storage device may contain a greater amount of active material, compared to the binder in the related art. Consequently, beneficial effects such as improvement in an energy density as well as eco-friendly characteristics may be rendered.
摘要:
Disclosed herein is a doping apparatus for manufacturing an electrode of an energy storage device. The doping apparatus according to the exemplary embodiment of the present invention includes: a doping chamber body providing a doping space where a process of doping lithium ions onto an electrode plate is performed; a plurality of doping plates laminated vertically in the doping chamber body and containing lithium; and an electrode plate feeder feeding the electrode plate so that the electrode plate passes through gaps among the doping plates.
摘要:
Disclosed herein is a doping bath for fabricating an energy storage device, including: a doping bath that receives an electrolyte; a lithium foil that is provided in the doping bath; and a power supply means that supplies power to the lithium foil and at least one cell laminate provided to be sunk in the electrolyte in the doping bath, wherein the power supply means performs a charging process to supply power between a cathode and an anode of the cell laminate and a discharging process to supply power between the lithium foil and the cathode of the cell laminate to dope the anode of the cell laminate with lithium.
摘要:
Disclosed is an electrochemical capacitor and method for manufacturing the same. The electrochemical capacitor includes: at least two winding-type separators which are wound in a spiral shape and are stacked; and stacking-type first and second electrodes which are alternately interposed between the wound separators, respectively.
摘要:
Disclosed is a secondary power source and a manufacturing method thereof. The secondary power source includes a unit cell formed by sequentially laminating a first electrode, a separation film, and a second electrode, wherein the first electrode is formed by forming a first electrode material, into which lithium ions can be irreversibly occluded, on a first conductive sheet, and the first electrode is laminated in the unit cell after lithium ions are occluded into the first electrode material by using a metal that can supply lithium ions.
摘要:
Provided are a method of manufacturing an electrode for a secondary power source, and a secondary power source. The method includes forming an electrode active material on a conductive sheet, forming a Li thin film layer by depositing lithium (Li) on the electrode active material, doping the electrode active material with the deposited Li, and controlling a doping level by monitoring the doping amount of Li. Accordingly, a cathode is doped with Li ions before a cell is assembled, thereby simplifying the manufacturing process, enhancing the doping rate of Li ions, and making the doping amount even.